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Protein

Glutamine synthetase 1

Gene

glnA

Organism
Rhizobium leguminosarum bv. viciae
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Catalytic activityi

ATP + L-glutamate + NH3 = ADP + phosphate + L-glutamine.

Enzyme regulationi

The activity of this enzyme is controlled by adenylation under conditions of abundant glutamine. The fully adenylated enzyme complex is inactive (By similarity).By similarity

GO - Molecular functioni

  1. ATP binding Source: UniProtKB-KW
  2. glutamate-ammonia ligase activity Source: UniProtKB-EC

GO - Biological processi

  1. glutamine biosynthetic process Source: InterPro
  2. nitrogen fixation Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Ligase

Keywords - Biological processi

Nitrogen fixation

Keywords - Ligandi

ATP-binding, Nucleotide-binding

Enzyme and pathway databases

BioCyciRETL1328306-WGS:GSTH-2110-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Glutamine synthetase 1 (EC:6.3.1.2)
Alternative name(s):
Glutamate--ammonia ligase I
Glutamine synthetase I
Short name:
GSI
Gene namesi
Name:glnA
OrganismiRhizobium leguminosarum bv. viciae
Taxonomic identifieri387 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesRhizobiaceaeRhizobium/Agrobacterium groupRhizobium

Subcellular locationi

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 469469Glutamine synthetase 1PRO_0000153223Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei398 – 3981O-AMP-tyrosineBy similarity

Keywords - PTMi

Phosphoprotein

Interactioni

Subunit structurei

Oligomer of 12 subunits arranged in the form of two hexagons.

Structurei

3D structure databases

ProteinModelPortaliP09826.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the glutamine synthetase family.Curated

Family and domain databases

Gene3Di3.10.20.70. 1 hit.
3.30.590.10. 1 hit.
InterProiIPR008147. Gln_synt_beta.
IPR014746. Gln_synth/guanido_kin_cat_dom.
IPR008146. Gln_synth_cat_dom.
IPR027303. Gln_synth_gly_rich_site.
IPR004809. Gln_synth_I.
IPR001637. Gln_synth_I_adenylation_site.
[Graphical view]
PfamiPF00120. Gln-synt_C. 1 hit.
PF03951. Gln-synt_N. 1 hit.
[Graphical view]
SUPFAMiSSF54368. SSF54368. 1 hit.
TIGRFAMsiTIGR00653. GlnA. 1 hit.
PROSITEiPS00182. GLNA_ADENYLATION. 1 hit.
PS00181. GLNA_ATP. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P09826-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MATASEILKQ IKENDVKFVD LRFTDRRASL QHVTMDVVCV DEDMFADGVM
60 70 80 90 100
FDGFSIGGWK AINESDMVLM PDTETVHMDP FFAQSTMVIV CDILDPVSGE
110 120 130 140 150
AYNRDRRGTA KKAEAYLKAS GIGDTVFVGR EAEFFVFDDV KYKADPYNTG
160 170 180 190 200
FKLDSTELPS NDDTDYETGN LGHRPRVKGG YFPVPPVDSA QDMRSEMLTV
210 220 230 240 250
LSEMGVVVEK HHHEVAAAQH DTLVRNADEL GIKFKMQIYK YVVHQVANAY
260 270 280 290 300
GKTATFMPKP IFGDNGSGMH VHQSIWKGGK PTFAGDEYAG LSESCLFYIG
310 320 330 340 350
GIIKHAKAIN AFTNPSTNSY KRFVPGYEAP VLLAYSARNR SASCRIPFGS
360 370 380 390 400
NPKAKRVEVR FPDPTANPYL AFAAMLMAGL DGIKNKIHPG KAMDKDLYDL
410 420 430 440 450
PPKELKKIPT VCGSLRQALE SLDKDRKFLT AGGVFDDDQI DAFIELKMAE
460
VMRFEMTPHP VEYDMYYSA
Length:469
Mass (Da):52,233
Last modified:July 1, 1989 - v1
Checksum:iA1E158ECD0970FBC
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X04880 Genomic DNA. Translation: CAA28569.1.
PIRiA26567. AJZRQL.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X04880 Genomic DNA. Translation: CAA28569.1.
PIRiA26567. AJZRQL.

3D structure databases

ProteinModelPortaliP09826.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Enzyme and pathway databases

BioCyciRETL1328306-WGS:GSTH-2110-MONOMER.

Family and domain databases

Gene3Di3.10.20.70. 1 hit.
3.30.590.10. 1 hit.
InterProiIPR008147. Gln_synt_beta.
IPR014746. Gln_synth/guanido_kin_cat_dom.
IPR008146. Gln_synth_cat_dom.
IPR027303. Gln_synth_gly_rich_site.
IPR004809. Gln_synth_I.
IPR001637. Gln_synth_I_adenylation_site.
[Graphical view]
PfamiPF00120. Gln-synt_C. 1 hit.
PF03951. Gln-synt_N. 1 hit.
[Graphical view]
SUPFAMiSSF54368. SSF54368. 1 hit.
TIGRFAMsiTIGR00653. GlnA. 1 hit.
PROSITEiPS00182. GLNA_ADENYLATION. 1 hit.
PS00181. GLNA_ATP. 1 hit.
[Graphical view]
ProtoNetiSearch...

Publicationsi

  1. "Tight linkage of glnA and a putative regulatory gene in Rhizobium leguminosarum."
    Colonna-Romano S., Riccio A., Guida M., Defez R., Lamberti A., Iaccarino M., Arnold W., Priefer U., Puehler A.
    Nucleic Acids Res. 15:1951-1964(1987) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    Strain: RCC1001.

Entry informationi

Entry nameiGLNA1_RHILV
AccessioniPrimary (citable) accession number: P09826
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: July 1, 1989
Last modified: January 7, 2015
This is version 88 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

Two forms of glutamine synthetase (GSI and GSII) can be found in this nitrogen fixing bacteria, GSI is a typical prokaryotic glutamine synthetase whereas GSII is similar to the eukaryotic enzyme.

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.